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Thread: Wash pump grinding

  1. #1

    Wash pump grinding

    Model Number:
    Brand: Brand
    Age: Less than 1 year

    Model Number: GDF510PMD0SA
    Brand: GE
    Age: 1-5 years

    In trying to fix a problem with drainage and accumulation of rotting food absolutely everywhere inside the dishwasher, something happened to the wash pump.
    It now grinds away whenever it is engaged. Something may have been pushed down the inlet into the pump.
    I've already ordered a new pump kit, but I want to investigate the old pump before replacing it with new.
    If I get it off, is it possible to look into it at all?
    Plus, online videos suggest I lie the machine on its back to get at the pump, while the repair manuals say to lift out the whole sump assembly from inside to get at it. Which is better?

  2. #2
    Solved it myself (after causing it myself!):
    In cleaning and testing, I left one of the knobs that hold the filter in place resting on the open dishwasher door. It fell into the well in the center when I closed the door to test the drainage - without the fine filter in place. So the piece got pulled into the inlet from the wash pump and ended up in the (I think) impeller where it got ground up by the little blade in there. Found a video on changing the wash pump and only had to remove the boot between the pump and the wash basin to find the "missing" part. Put it back together with the hose clamps I bought ahead of time (thanks to the video: ) and it works fine.

  3. #3
    Join Date
    Mar 2016
    Here is a link to a service manual which may be useful to you in the future.

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